| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.72 | 0.03 |
| Feb | 0.83 | 0.78 | 0.05 |
| Mar | 1.75 | 1.59 | 0.16 |
| Apr | 3.24 | 3.08 | 0.16 |
| May | 4.53 | 4.24 | 0.29 |
| Jun | 4.87 | 4.84 | 0.03 |
| Jul | 3.82 | 3.85 | -0.03 |
| Aug | 4.00 | 3.75 | 0.25 |
| Sep | 3.22 | 3.13 | 0.09 |
| Oct | 2.48 | 2.37 | 0.11 |
| Nov | 1.53 | 1.30 | 0.23 |
| Dec | 0.92 | 0.94 | -0.02 |
31.94 | 30.59 | 1.35 |